More precise array_keys return type
#19472
| Job | Run time |
|---|---|
| 30s | |
| 1m 2s | |
| 1m 16s | |
| 1m 4s | |
| 36s | |
| 1m 16s | |
| 1m 5s | |
| 1m 16s | |
| 59s | |
| 1m 15s | |
| 1m 7s | |
| 1m 16s | |
| 1m 11s | |
| 1m 16s | |
| 1m 9s | |
| 3s | |
| 1s | |
| 1s | |
| 1s | |
| 1s | |
| 1s | |
| 1s | |
| 3s | |
| 2s | |
| 3s | |
| 16m 35s |